/*****************************************************************************
 *   Copyright 2005 Tim A Wang
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 *
 ****************************************************************************/
package com.jb.web.renderer;

import com.jb.web.bean.HtmlItem;
import com.jb.web.bean.Region;
import com.jb.web.context.WebContext;

import java.util.Iterator;

import com.jb.faces.component.UIComponent;


public class OverflowLayoutManager extends TextRenderer {
    public StringBuffer render(WebContext pCtx, UIComponent itemToRender) {
        StringBuffer html = new StringBuffer("");

        html.append(renderBegin(pCtx, itemToRender));
        html.append(renderChildren(pCtx, itemToRender));
        html.append(renderEnd(pCtx, itemToRender));

        return html;
    }

    public StringBuffer renderBegin(WebContext pCtx, UIComponent itemToRender) {
        StringBuffer html = new StringBuffer("");
        Region sect = (Region) itemToRender;

        String string = sect.getStyle(pCtx);

        if (!isEmptyString(sect.getOverFlow())) {
            string = string + "overflow:" + sect.getOverFlow() + ";";
        }

        html.append("<div").append(getEditScript(pCtx, sect)).append(addTagProperty("style", string, null)).append(">");

        return html;
    }

    public StringBuffer renderChildren(WebContext pCtx, UIComponent itemToRender) {
        Region sect = (Region) itemToRender;
        StringBuffer html = new StringBuffer("");
        Iterator iter = sect.getChildren().iterator();

        if (!iter.hasNext()) {
            Object value = evaluate(pCtx, sect, isEmptyString(sect.getValue()) ? sect.getId() : sect.getValue());
            html.append(value).append(" ");
        }

        while (iter.hasNext()) {
            HtmlItem aSect = (HtmlItem) iter.next();
            html.append(aSect.render(pCtx)).append(" ");
        }

        return html;
    }

    public StringBuffer renderEnd(WebContext pCtx, UIComponent itemToRender) {
        return new StringBuffer("</div>");
    }
}
